Finding the Fourth Proportional to 857,997.41, 1,184,020.67 and 476,015.99
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Solution
The fourth proportional to 857,997.41, 1,184,020.67 and 476,015.99 is: 656,893.32
Step by Step Solution
- Step 1: Write the proportion equation
857,997.41 : 1,184,020.67 = 476,015.99 : x - Step 2: Convert to fraction form
857,997.41/1,184,020.67 = 476,015.99/x - Step 3: Cross multiply
857,997.41x = 1,184,020.67 × 476,015.99 - Step 4: Simplify right side
857,997.41x = 563,612,763,110.33 - Step 5: Solve for x
x = 563,612,763,110.33/857,997.41 - Step 6: Final answer
x = 656,893.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.